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Installation and Maintenance

Service Manual

8. Overload and high discharge temperature malfunction

Main detection points:

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If the electronic expansion valve is connected well? Is the electronic expansion valve damaged?

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If the refrigerant is leaked?

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The compressor overload protection terminal is not connected well with the mainboard?

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If the overload protector is damaged?

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Heat exchange of unit is not good? (heat exchanger is dirty and unit radiating environment is bad)

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Too much load of the system causes high temperature of compressor after working for a long time?

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Malfunction of discharge temperature sensor?

Содержание N00600

Страница 1: ...Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI 4LIV09 24 Models ...

Страница 2: ... Part 23 5 1 Wiring Diagram 23 5 2 PCB Printed Diagram 27 6 Function and Control 33 6 1 Remote Controller Introduction 33 6 2 GREE App Operation Manual 38 6 3 Ewpe Smart App Operation Manual 39 6 4 Brief Description of Modes and Functions 40 Part II Installation and Maintenance 48 7 Notes for Installation and Maintenance 48 8 Installation 51 8 1 Installation Dimension Diagram 51 8 2 Installation P...

Страница 3: ... 3 Troubleshooting for Normal Malfunction 81 10 Exploded View and Parts List 83 10 1 Indoor Unit 83 10 2 Outdoor Unit 89 11 Removal Procedure 95 11 1 Removal Procedure of Indoor Unit 95 11 2 Removal Procedure of Outdoor Unit 100 Appendix 113 Appendix 1 Reference Sheet of Celsius and Fahrenheit 113 Appendix 2 Configuration of Connection Pipe 113 Appendix 3 Pipe Expanding Method 114 Appendix 4 List ...

Страница 4: ...Manual 1 Summary Indoor Unit 4LIV09HP115V1AH 4LIV12HP115V1AH 4LIV09HP230V1AH 4LIV12HP230V1AH 4LIV18HP230V1AH 4LIV24HP230V1AH 4LIV24HP230V1AO 4LIV18HP230V1AO Outdoor Unit 4LIV09HP115V1AO 4LIV12HP115V1AO 4LIV09HP230V1AO 4LIV12HP230V1AO ...

Страница 5: ...NA3C CB590000600 GWH12ATCXB D3DNA3C I CB590N00600 18 GWH12ATCXB D3DNA2C CB585000900 GWH12ATCXB D3DNA2C I CB585N00900 19 GWH12ATCXB A3DNA1C CB574001400 4LIV12HP115V1AH CB574N01400 4LIV12HP115V1AO CB574W01400 20 GWH12ATCXB A3DNA3C CB590000400 GWH12ATCXB A3DNA3C I CB590N00400 21 GWH12ATCXB A3DNA4C CB595000300 GWH12ATCXB A3DNA4C I CB595N00300 22 GWC12ATCXB A3DNA1C CB574001200 GWC12ATCXB A3DNA1C I CB57...

Страница 6: ... Fan Diameter Length DXL mm Ф94X630 Cooling Speed r min 1350 1150 1100 1000 950 850 750 Heating Speed r min 1300 1100 1050 1000 950 850 800 Fan Motor Power Output W 20 Fan Motor RLA A 0 30 Fan Motor Capacitor μF 1 5 Heater Power Input W 72 Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф5 Evaporator Row fin Gap mm 2 1 3 Evaporator Coil Length LXDXW mm 634X22 8X266 7 Swing Mot...

Страница 7: ...cessive Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 118 Heating Operation Ambient Temperature Range º F 13 75 Throttling Method Capillary Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A 51 Sound Power Level dB...

Страница 8: ...ow Fan Diameter Length DXL mm Ф94X630 Cooling Speed r min 1350 1150 1100 1000 950 850 750 1350 1150 1100 1000 950 850 750 Heating Speed r min 1300 1100 1050 1000 950 850 800 Fan Motor Power Output W 20 Fan Motor RLA A 0 40 Fan Motor Capacitor μF 4 Heater Power Input W 68 Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф5 Evaporator Row fin Gap mm 2 1 3 Evaporator Coil Length L...

Страница 9: ...erating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 118 Heating Operation Ambient Temperature Range º F 13 75 Throttling Method Capillary Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A 51 Sound Power Level dB A 61 Dime...

Страница 10: ...n Type Cross flow Fan Diameter Length DXL mm Ф94X630 Cooling Speed r min 1550 1200 1120 1050 980 920 750 500 Heating Speed r min 1450 1200 1140 1080 1020 960 900 Fan Motor Power Output W 15 Fan Motor RLA A 0 40 Fan Motor Capacitor μF Heater Power Input W Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф5 Evaporator Row fin Gap mm 2 1 3 Evaporator Coil Length LXDXW mm 634X22 8X...

Страница 11: ...ve Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 118 Heating Operation Ambient Temperature Range º F 13 75 Throttling Method Capillary Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A 52 Sound Power Level dB A 62...

Страница 12: ... Type Cross flow Fan Diameter Length DXL mm Ф94X630 Cooling Speed r min 1550 1200 1120 1050 980 920 750 50 0 Heating Speed r min 1450 1200 1140 1080 1020 960 900 Fan Motor Power Output W 15 Fan Motor RLA A 0 40 Fan Motor Capacitor μF Heater Power Input W Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф5 Evaporator Row fin Gap mm 2 1 3 Evaporator Coil Length LXDXW mm 634X22 8X...

Страница 13: ...sive Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 118 Heating Operation Ambient Temperature Range º F 13 75 Throttling Method Capillary Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A 52 Sound Power Level dB A ...

Страница 14: ...4N03200 Fan Type Cross flow Fan Diameter Length DXL mm Ф106X706 Cooling Speed r min 1350 1200 1120 1050 980 860 750 Heating Speed r min 1350 1200 1120 1050 950 850 750 Fan Motor Power Output W 45 Fan Motor RLA A 0 7 Fan Motor Capacitor μF Heater Power Input W Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф5 Evaporator Row fin Gap mm 2 1 2 Evaporator Coil Length LXDXW mm 700X...

Страница 15: ...essive Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 118 Heating Operation Ambient Temperature Range º F 13 75 Throttling Method Capillary Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A 57 Sound Power Level dB ...

Страница 16: ...n Type Cross flow Fan Diameter Length DXL mm Ф111 5X830 Cooling Speed r min 1350 1200 1100 1000 950 900 850 Heating Speed r min 1350 1200 1100 1000 950 900 850 Fan Motor Power Output W 45 Fan Motor RLA A 0 45 Fan Motor Capacitor μF Heater Power Input W Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Ф7 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 840X25 4X38...

Страница 17: ... Excessive Operating Pressure for the Suction Side MPa 2 5 Maximum Allowable Pressure MPa 4 3 Set Temperature Range º F 61 86 Cooling Operation Ambient Temperature Range º F 0 4 122 Heating Operation Ambient Temperature Range º F 19 4 75 2 Throttling Method Electron expansion valve Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Sound Pressure Level dB A...

Страница 18: ...tdoor DB95 F Indoor air flow Super High Pipe length 24 6ft Heating Capacity ratio Outdoor temp F 0 20 40 60 80 100 120 140 160 13 5 0 5 10 17 20 24 32 41 43 47 53 59 64 70 75 78 Conditions Indoor DB70 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6 ft Cooling Heating 0 20 40 60 80 100 120 140 0 5 17 23 32 41 50 57 67 75 86 95 104 113 118 Capacity ratio Outdoor temp F Cond...

Страница 19: ... 17 23 32 41 50 57 67 75 86 95 104 113 122 13 5 0 5 10 17 20 19 4 24 32 41 43 47 53 59 64 70 75 2 Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow Super High Pipe length 24 6ft Conditions Indoor DB70 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6 ft Cooling operation ambient temperature range is 0 4o F 122o F Hheating operation ambient temperature range i...

Страница 20: ...e of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Indoor Outdoor PSIG T1 F T2 F 70 60 19 94 19 04 09K 362 406 in 167 181 4 out 98 6 113 in 33 8 37 4 out 35 6 42 8 Super High High 12K 362 406 in 167 181 4 out 98 6 113 in 33 8 37 4 out 35 6 42 8 18K 507 550 in 167 181 4 out 98 6 113 in 33 8 37 4 out...

Страница 21: ...6 22 3 32 10 5 32 Unit inch Unit inch W W1 W2 W3 ATA ATB D H 6 52 64 W1 W2 W3 ATE 9 29 64 Ø2 49 64 Ø2 49 64 Ø2 49 64 8 7 64 1 11 16 1 11 16 1 11 16 Ø2 49 64 W1 W2 W3 ATD 5 7 16 W W1 W2 W3 ATA ATB D H 6 52 64 W1 W2 W3 ATE 9 29 64 Ø2 49 64 Ø2 49 64 Ø2 49 64 8 7 64 1 11 16 1 11 16 1 11 16 Ø2 49 64 W1 W2 W3 ATD 5 7 16 W W1 W2 W3 ATA ATB D H 6 17 64 1 11 16 7 3 4 Ø 2 1 1 1 6 4 Ø 2 1 1 1 6 4 Ø 2 1 1 6 4...

Страница 22: ...2 11 7 32 21 27 32 12 63 64 26 37 64 28 13 16 4LIV18HP230V1AO Unit inch 31 37 64 29 21 64 13 25 32 21 27 32 20 5 32 13 5 64 11 52 64 Unit inch GWC09ATCXB D3DNA1A O 4LIV09HP230V1AO GWC09ATCXB A3DNA1A O 4LIV09HP115V1AO GWC12ATCXB D3DNA1C O 4LIV12HP230V1AO GWC12ATCXB A3DNA1C O ...

Страница 23: ...20 Technical Information Service Manual 37 23 32 35 25 64 13 25 64 15 53 64 25 63 64 22 13 32 14 19 32 Unit inch 4LIV24HP230V1AO ...

Страница 24: ...lary Indoor unit Outdoor unit Accumlator COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Compressor Strainer Capillary Electron expansion valve Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron e...

Страница 25: ...cation Liquid pipe 1 4 Gas pipe 3 8 09 12K Gas pipe 1 2 18K 09 12 18K Indoor unit Outdoor unit COOLING HEATING 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Accumlator Compressor Strainer Strainer Capillary ...

Страница 26: ...K Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 600007067116 4LIV12HP115V1AH 287 225 81 7 2 1 7 50 1 3 803 3 35 17 5 8 7 2 5 5 9 5 1 63 2 5 63 7 6 1625 7 03 6 1625 7 03 6 1625 57 57 02725 5220 67 33 1 0 02725 8 5 1 1 1 9 325 725 1 1 1 20 287 1 8 7 63 3 1 5 725 21 89 237 21 6 1 5 7 5 7 237 21 67 33 1 0 02725 6 1 8 83 ...

Страница 27: ...67 33 1 3 5 9 5 1 63 2 5 63 78 287 225 81 7 3 35 17 5 8 7 2 5 803 3 0 6 1 5 6 1 8 0 237 21 6 1 8 7 6 1625 7 03 6 1625 57 5220 20 0 18 3 5 21752 5 225 5 237 21 3 237 21 7 21752 7 03 6 1625 1 02725 57 3 3 0 63 5 217 7 8 5 1 1 1 2 9 325 725 1 1 1 20 287 1 1 8 7 7 50 1 4LIV09HP115V1AH ...

Страница 28: ...1 CN2 EH1 BOTTOM BAND HEATER EKV ELECTRONIC EXPANSION VALVE WH WH GN YEGN BK BN WH BU L2 L2 MAGNETIC RING L2 OVERLOAD PROTECTOR SAT 600007066468 600007063856 Outdoor Unit INDOOR UNIT OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL V 4WAY VALVE 4 WAY 4YV T SEN EXHAUST TEMP OUTROOM TEMP OUTTUBE RT3 RT2 TEMP SENSOR SENSOR SENSOR E AP Main Board 15K 20K 50K RT1 BK L1 L2 1 2 3 BU BK BN TERMINAL XT BLOCK P...

Страница 29: ...BN GN YEGN G G YEGN G WARNING G N 1 2 L 3 L N Please don t touch any terminal when the machine is running stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock WH BU BK RD BN GN YEGN INDOOR UNIT OPTIONAL OPTIONAL OPTIONAL OPTIONAL T SENSOR EXHAUST TEMP OUTROOM TEMP OUTTUBE RT3 RT2 TEMP SENSOR SENSOR SENSOR 15K 20K 50K T SEN HEAT B FA AP1 PRINTED CIRCUIT BO...

Страница 30: ...tion 4 Interface of health function only for the mode with this function 13 Jump 5 Up down 2 swing interface 14 Communication interface 6 Up down 1 swing interface 15 Terminal of live wire used for supplying power for outdoor unit 7 Left right swing interface only for the mode with this function 16 Live wire terminal 8 Interface of PG feedback 17 Interface of ultraviolet clean 9 Display board 1 2 ...

Страница 31: ...8 Up down swing interface 2 2 DC fan interface 9 Up down swing interface 1 3 Live wire 10 Display interface 4 Neutral wire 11 Interface of temperature sensor 5 Communication wire 12 Interface of gate control 6 Interface of cold plasma 13 Wired controller 7 Left right swing interface 14 Jumper cap 12 18 24K ...

Страница 32: ... 1 11 9 8 7 6 5 10 No Name No Name 1 Three phase terminal of compressor 7 Terminal of communication wire 2 Temperature sensor 8 Neutral wire 3 Electronic expansion valve 9 Live wire 4 Outdoor fan 10 Earthing wire 5 4 way valve 11 Needle stand of Connect reactor 6 Electric heating of chasssis ...

Страница 33: ...tor terminal 2 Live wire terminal 8 Electron expansion valve terminal 3 Neutral wire terminal 9 Compressor overload terminal 4 Communication terminal 10 Temperature sensor terminal 5 4 way valve terminal 11 E store terminal 6 Electric heating terminal of chassis 12 Compressor terminal 4LIV12HP230V1AO 4LIV09HP230V1AO ...

Страница 34: ...Outdoor fan 2 Live wire 9 DRED Reserved 3 Neutral wire 10 Electronic expansion valve 4 Communication wire 11 Compressor Overload 5 4 way valve 12 Temperature sensor 6 Electric heating of chasssis 13 EE Flash drives 7 DRED DC Reserved 14 Compressor 8 9 10 11 12 13 1 2 3 4 5 6 7 14 ...

Страница 35: ...Name 1 Electronic expansion valve 8 Communication wire 2 E disk 9 4 way valve 3 Program debug interface 10 Electric heating of chasssis 4 Interface monitoring 11 AC fan 5 Earthing wire 12 Temperature sensor 6 Live wire 13 Overload of compressor 7 Neutral wire 14 Compressor terminal 24K ...

Страница 36: ...s pressing the button on the remote controller the signal icon on the display of remote controller will blink once and the air conditioner will give out a di sound which means the signa has been sent to the air conditioner As for the models with functions of WiFi or wired controller the indoor unit must has been controlled by standard remote controller under auto mode first and then the function o...

Страница 37: ...FAN function on After turning off the unit by pressing ON OFF button indoor fan will continue running for a few minutes at low speed In this period hold fan speed button for 2s to stop indoor fan directly Having set X FAN function off After turning off the unit by pressing ON OFF button the complete unit will be off directly 4 TURBO button Under COOL or HEAT mode press this button to turn to quick...

Страница 38: ...ote controller After this function is set the remote controller will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the detected temperature Press this button again to cancel I FEEL function and will disappear Please put the remote controller near user when this function is set Do not put the remote contro ller nea...

Страница 39: ...o partial of models 14 LIGHT button Press this button to turn on or turn off the display light on the indoor unit The display light is defaulted on after energization 15 TEMP button Press this button you can see indoor set temperature indoor ambient temperature on indoor unit s display The setting on remote controller is selected circularly as below no display Function introduction for combination...

Страница 40: ...at of mode If you want to cancel the power limiting function press the button till the icon in remote controller is not displayed When the remote controller is turned off power limiting function is cancelled If you want to activate the function please repress this button If the current power is lower than the maximum power of mode then the power will not be limited after entering into such mode Fo...

Страница 41: ...ll it When GREE App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help in App GREE App Download Linkage iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gre...

Страница 42: ... App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App 6 3 Ewpe Smart App Operation Manual iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Hom...

Страница 43: ... out a beep 2 Auto fan Heating mode During auto heating mode or normal heating ode auto fan speed will adjust the fan speed automatically according to ambient temperature and set temperature 3 Sleep function After setting sleep function for a period of time system will adjust set temperature automatically 4 Timer function General timer and clock timer functions are compatible by equipping remote c...

Страница 44: ... control mode The unit operates at SE status 13 X fan mode When X fan function is turned on after turn off the unit indoor fan will still operate at low speed for 2min and then the complete unit will be turned off When x fan function is turned off after turn off the unit the complete unit will be turned off directly 14 46 4ºF heating function Under heating mode you can set 46 4o F heating function...

Страница 45: ...mperature can be set at 77 86ºF Cooling at low temperature that is the minimum setting temperature for outer units judgment is 77ºF 2 Dehumidifying Mode 1 Conditions and processes of dehumidifying operations Same as the cooling mode 2 The temperature setting range is 60 8 86ºF 3 Air supplying Mode 1 The compressor outdoor fans and four way valves are switched off 2 The temperature setting range is...

Страница 46: ...mes are not counted 2 Frequency limited Tfrozen preventing normal speed frequency reducing temperature Tinner pipe T frozen preventing frequency limited temperature you should limit the frequency raising of compressor 3 Reducing frequency at normal speed If Tfrozen preventing high speed frequency reducing temperature Tinner pipe T frozen preventing normal speed frequency reducing temperature you s...

Страница 47: ...g overload power turn off temperature Tinner pipe then overload protects machine stopping If T inner pipe T heating overload frequency limited temperature and the compressor has been stopped working for 3 minutes the machine should be allowed to operate 5 If the overload protection power turn off continuously occurs for six times it should not be resumed automatically and you should press the ON O...

Страница 48: ...ing of compressor 3 Reducing frequency at normal speed and power turn off If Tfrequency reducing temperature at normal speed of module TModule Tfrequency reducing temperature at high speed of module you should adjust the compressor frequency by reducing 8Hz 90s till the lower limit After it was running 90s at the lower limit if T frequency reducing temperature at normal speed of module T Module yo...

Страница 49: ...f stop the reversion abnormity protection for four way valve 3 min and if it still cant run when the reversion abnormity protection for four way valve happens to stop working for 3 times in succession it is available if presses ON OFF Attention the protection shall be shielded during the testing mode and defrosting process and it shall be cleared out the failure and its times immediately when turn...

Страница 50: ...1 When Toutdoor amb 32ºF the electric heating of chassis will operate 2 When Toutdoor amb 35 6ºF the electric heating of chassis will stop operation 3 When 32ºF Toutdoor amb 35 6ºF the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23ºF compressor stops operation while the electric heating of compressor starts operation 2 When To...

Страница 51: ...prolong the wire by yourself 11 For the air conditioner without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 3mm 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the el...

Страница 52: ...e or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected air will be sucked in and cause pressure rise or compressor rupture resulting in injury 5 When installing the ...

Страница 53: ... tape Electroprobe Electronic leakage detector Pipe pliers Pipe pliers Pipe cutter Screw driver Universal meter Vacuum pump Pipe bender Pipe expander Impact drill Drill head Electric drill Torque wrench Open end wrench Inner hexagon spanner Pressure meter Electronic scale Refrigerant container Soldering appliance ...

Страница 54: ...e to obstruction Min 12 in Space to obstruction Min 6 in Space to the ceiling Min 3 in Space to the wall Min 2 in Space to obstruction Min 48 in Space to the floor Min 48 in Min 2 in Space to the wall Space to obstruction Min 6 in Space to obstruction Min 24 in Space to obstruction Min 6 in Wall Mounting Clearances ...

Страница 55: ...p pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outd...

Страница 56: ...the plastic expansion particles in the holes 3 Fix the wall mounting frame on the wall with tapping screws and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 1 Please contact the local agent for installation 2 Don t use unqualified power cord Note No Name 1 Indoor unit 2 Outdoor unit 3 Connection p...

Страница 57: ...ng bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As show in Fig 7 Insu...

Страница 58: ... cover Fig 11 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it out from the front side As show in Fig 12 Cable cross hole Power connection wire Fig 12 3 Remove the wire clip connect the power connection wiresignal control wire only for cooling and heating unit to the wiring terminal according to the color tighten the screw and then fix th...

Страница 59: ...ire clip connect the power connection wire and signal control wire only for cooling and heating unit to the wiring terminal according to the color fix them with screws As show in Fig 23 Note the wiring connect is for reference only please refer to the actual one 1 After tightening the screw pull the power cord slightly to check if it is firm 2 Never cut the power connection wire to prolong or shor...

Страница 60: ... Installation Check according to the following requirement after finishing installation NO Items to be checked Possible malfunction 1 Has the unit been installed firmly The unit may drop shake or emit noise 2 Have you done the refrigerant leakage test It may cause insufficient cooling heating capacity 3 Is heat insulation of pipeline sufficient It may cause condensation and water dripping 4 Is wat...

Страница 61: ... Communication Malfunction E6 During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops Refer to the corresponding malfunction analysis 6 High temperature resistant protection E8 During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops Refer to the malfunction analys...

Страница 62: ...ture sensor is open short circuited F4 During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation Outdoor temperature sensor hasn t been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 16 Outdoor discharge temperature sensor is open short circuited F5 Duri...

Страница 63: ...oltage of position L and N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if it s normal There s malfunction for the circuit please replace the control panel AP1 23 Compressor Min frequence in test state P0 Showing duri...

Страница 64: ... to the malfunction analysis discharge protection overload 32 IPM protection H5 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor 33 Module temperature is too hi...

Страница 65: ...cuit for compressor U1 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 43 Malfunction of voltage dropping for DC bus bar U3 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Supply vol...

Страница 66: ...and detection board is not good 48 Refrigerant recovery mode Fo Refrigerant recovery The Serviceman operates it for maintenance 49 Undefined outdoor unit error oE Cool compressor and outdoor fan stops operation while indoor fan operates Heat compressor outdoor fan and indoor fan stop operation 1 Outdoor ambient temperature exceeds the operation range of unit eg less than 20o C or more than 60o C f...

Страница 67: ...oard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there sho...

Страница 68: ...the connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No ...

Страница 69: ...t the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainboard with the same model End Yes Yes Yes Yes Yes No No No No No 3 Malfunction of Protection of Jumper Cap C5 Main detection points Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly The jumper is broken The motor is broken Detection circuit of t...

Страница 70: ...charges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same mo...

Страница 71: ...Manual Start check if the connection wire are correctly connected Replace the detecting plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Yes Yes No 5 Malfunction of detecting plate WIFI JF ...

Страница 72: ...n the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Troubleshooting for F0 malfunction Yes No No No No N...

Страница 73: ...hen measure the voltage between COM and N of the control board of outdoor unit DC notch about 56V Start Y Y Y Y Y Y Y N N N N N N If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram Connection correct Check connection wire of indoor and outdoor unit with circuit diagram If the malfunction is removed Problem of communication circu...

Страница 74: ... the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is abnormal Fan speed is too low or fan doesn t rotate Measure the current of live wire on the main board with a clamp ampere meter Is the current higher than the value of the overcurrent protection Is t...

Страница 75: ...with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC voltmeter to measur...

Страница 76: ...250VAC Correctly connect the wires of compressor according to the electric wiring diagram and then turn on the unit Check the connection between the control board and the compressor by referring to the electric wiring diagram Check whether wires of compressor UVW are connected correctly Measure the resistance value among three terminals UVW of compressor with a resistance measuring meter Whether t...

Страница 77: ...or ambient temperature higher than 53 Normal protection Please operate it when the outdoor ambient temperature is improved Is the radiation of indoor unit After the complete unit is disconnected from the power for 20mins and outdoor unit is not good Improve the unit s radiation environment Check whether the fan terminal OFAN is connected well Check whether the outdoor Measure any two terminal with...

Страница 78: ...erant Malfunction diagnosis process No Yes No No Yes Yes Yes No Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Replace the control panel AP1 If the fault is eliminated Connect the wires as per the connection diagram Replace the compressor End ...

Страница 79: ...oor fan Start to run until the power resume normal voltage Charge the refrigerant with service manual Replace compressor Remove malfunction Replace control board AP1 Connect wire well If the compressor wire COMP UVW is well connected the connection sequenceforwards to clockwise direction If the input voltage of unit is normal If the refrigerant is too much Replace control board AP1 Remove malfunct...

Страница 80: ...gized for 20min N N N Y N N Replace control board AP1 End Remove malfunction Check refrigerant if there is leakage please refer to specification Remove malfunction Replace overload protector SAT Replace EKV coil of electron expansion valve The resistance value of first 4 lead foot and the fifth lead foot is similar less than 100Ω Connect wire well with wiring diagram If the wiring terminal FA of e...

Страница 81: ...ipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outdoor uni...

Страница 82: ...n valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Too much load of the system causes high temperature of compressor after working for a long time Malfunction of discharge temperature sens...

Страница 83: ...anual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long time decrease the load for operation I...

Страница 84: ...hod for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug...

Страница 85: ... pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor can t Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure all ...

Страница 86: ...only for reference please refer to the actual product 1 2 31 32 33 34 3 4 5 7 8 9 10 12 11 13 14 15 16 17 18 19 20 22 21 23 24 25 26 27 28 29 30 6 35 36 10 Exploded View and Parts List 10 1 Indoor Unit TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP ...

Страница 87: ...sub assy of Bearing 12 Ring of Bearing 13 Cross Flow Fan 14 Evaporator Support 15 Evaporator Assy 16 Wall Mounting Frame 17 Drainage Hose 18 Fan Motor NO Description 19 Motor Press Plate 20 Connecting pipe clamp 21 Crank 22 Stepping Motor 23 Air Louver right 24 Electric Box Assy 25 Main Board 26 Supporter Electric Box 27 Terminal Board 28 Cable Clamp 29 Electric Box Cover 30 Display Board 31 Power...

Страница 88: ...nly for reference please refer to the actual product TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP 11 2 1 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 6 35 36 ...

Страница 89: ...Fan 12 Ring of Bearing 13 O Gasket sub assy of Bearing 14 Evaporator Assy 15 Evaporator Support 16 Wall Mounting Frame 17 Fan Motor 18 Motor Press Plate NO Description 19 Connecting pipe Clamp 20 Drainage Hose 21 Crank 22 Stepping Motor 23 Air Louver right 24 Electric Box Assy 25 Main Board 26 Supporter Electric Box 27 Terminal Board 28 Cable Clamp 29 Electric Box Cover 30 Display Board 31 Power C...

Страница 90: ...erence please refer to the actual product 4LIV24HP230V1AH 31 30 29 28 1 2 3 4 5 7 8 9 10 11 12 13 15 17 16 18 19 21 20 22 27 26 25 24 14 33 32 6 23 34 TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP TURBO FAN MODE ON OFF I FEEL T ON T OFF TEMP CLOCK LIGHT WiFi SLEEP ...

Страница 91: ...r 10 Jumper 11 Main Board 12 Electric Box 13 Display Board 14 Air Louver 15 Helicoid Tongue 16 Crank 17 Stepping Motor NO Description 18 Rear Case 19 Cable Cross Plate 20 Connecting pipe clamp 21 Fan Motor 22 Motor Press Plate 23 Cross Flow Fan 24 Wall Mounting Frame 25 Heat Insulating Hose 26 Evaporator Assy 27 Evaporator Support 28 Remote Controller 29 Temperature Sensor 30 Connecting Cable 31 C...

Страница 92: ...valve assy 12 Compressor and Fittings 13 Chassis Sub Assy 14 Clapboard 15 Motor Support 16 Brushless DC Motor 17 Cabinet 18 Front Grill NO Description 19 Axial Flow Fan 20 Left Side Plate 21 Electric Box Assy 22 Electric Box 23 Main Board 24 Electric Box Cover 25 Terminal Board 26 Temperatue Sensor 27 Radiator Some models may not contain some parts please refer to the actual product 17 16 15 12 14...

Страница 93: ...90 Installation and Maintenance Service Manual INTENTIONALLY BLANK ...

Страница 94: ...lve 4 Tempreture Sensor clamp 5 4 Way Valve Assy 6 Capillary Sub assy 7 Wire Clamp 8 Right Side Plate 9 Earthing Plate Sub assy 10 Cover of Pass Wire NO Description 11 Valve Cover 12 Cut off valve 1 4 N 13 Cut off valve 1 2 N 14 Valve Support 15 Compressor and Fittings 16 Chassis Sub assy 17 Cabinet 18 Front Grill 19 Axial Flow Fan 20 Brushless DC Motor NO Description 21 Motor Support 22 Left Side...

Страница 95: ...92 Installation and Maintenance Service Manual INTENTIONALLY BLANK ...

Страница 96: ...93 Installation and Maintenance Service Manual INTENTIONALLY BLANK ...

Страница 97: ...pport 9 Cut off valve 1 4 N 10 Cut off valve 5 8 N 11 Valve Cover 12 Cover of Pass Wire 13 Terminal Board NO Description 14 4 Way Valve Assy 15 Condenser Assy 16 Clapboard Assy 17 Motor Support 18 Motor 19 Top Cover Assy 20 Left Side Plate 21 Condenser Left Border Plate 22 Electric Box Assy 23 Radiator 24 Electric Box 25 Main Board 26 Electric Box Cover Some models may not contain some parts pleas...

Страница 98: ...ect the power before disassemble the air conditioner 1 Remove filter Hold the handle on the filter pull it upwards to let the clasp at the top part of the filter loose push it forwards and then the filter can be pulled out 2 Remove guide louver Push out the plug pin on guide louver bend the guide louver with hand and then separate the guide louver from the crank shaft of step motor to remove it Fi...

Страница 99: ...move the screws on the electric box cover 2 to remove the electric box cover 2 5 Remove front case sub assy a Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around the air outlet 2 The quantity of screws fixing the front case sub assy is different for different models Loosen the clasps at left middle and right sides of front case Life the front case sub a...

Страница 100: ...emove the wiring terminal of power cord Lift up the main board and take it off Instruction Some wiring terminal of this products is with lock catch and other devices The pulling method is as below 1 Remove the soft sheath for some terminals at first hold the circlip and then pull out the terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal ho...

Страница 101: ... the connection pipe clamp First remove 3 screws fixing evaporator assy and motor press plate And then remove the left side of evaporator from the groove of bottom shell At the last remove the right side from the clasp on the bottom shell Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it b c d Clasp Connection pipe Screws Connection pip...

Страница 102: ...rews fixing motor clamp and then remove the motor clamp Remove 2 screws fixing motor fixed clip and then remove motor fixed clip cross flow fan and motor b 9 Remove swing motor Screw off the screw that are locking the swing motor and take the motor off Screws Screws Cross flow fan Motor fixed clip Motor Screw ...

Страница 103: ...ep Procedure 1 Before disassembly 2 Remove Cover of Pass Wire and valve cover Remove the screws fixing Cover of Pass Wire valve cover and then remove them 3 Remove top cover Remove the screws fixing top panel and then remove the top panel valve cover top cover Caution discharge the refrigerant completely before removal Cover of Pass Wire ...

Страница 104: ...t panel assy 5 Remove right side plate assy Rescrew the ground screws remove the ground wires loosen the screws fixing terminal board remove the terminal board rescrew the screws fixing the right side plate and remove the right side plate assy 6 Remove axial flow fan Remove the nut on the fan and then remove the axial flow fan Front panel Right side plate Axial flow fan ...

Страница 105: ...support and lift the motor support to remove it 8 Remove electric box assy Remove the terminals lift up and rotate the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed 9 Remove clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy Motor support Motor Clapboard assy Electric box assy ...

Страница 106: ...11 Remove 4 way valve assy electronic expansion valve assy Capillary Sub assy Unsolder the welding joints connecting the 4 way valve assy remove the 4 way valve Unsolder the spot weld of Capillary Sub assy and condenser and then remove the Capillary Sub assy Unsolder the spot weld of electronic expansion valve assy and condenser and then remove the electronic expansion valve assy Note Before unsol...

Страница 107: ...nd valve cover Remove the screws fixing Cover of Pass Wire valve cover and then remove them 3 Remove top cover Remove the screws fixing top panel and then remove the top panel Cover of Pass Wire Valve cover Top cover 09 12K NOTE Take heat pump for example Caution discharge the refrigerant completely before removal ...

Страница 108: ... left side plate Rescrew the ground screws remove the ground wires loosen the screws fixing terminal board remove the terminal board rescrew the screws fixing the right side plate and remove the right side plate assy Rescrew the screws fixing the left side plate and remove the left side plate assy 6 Remove axial flow fan Remove the nut on the fan and then remove the axial flow fan Front panel assy...

Страница 109: ...rews fixing the motor and then remove the motor 8 Remove electric box assy Remove the terminals lift up and rotate the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed 9 Remove clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy Motor support Electric box assy Clapboard assy Motor ...

Страница 110: ...der the welding joints connecting capillary Sub assy electronic expansion valve assy and then remove it Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy electronic expansion valve assy compressor and condenser remove the 4 way valve and capillary Sub assy electronic expansion valve assy Cooling only unit removes Discharge Tube and Inhalation Tube Note Before unso...

Страница 111: ...ssembly 2 Remove Cover of Pass Wire and valve cover Remove the screws fixing Cover of Pass Wire valve cover and then remove them 3 Remove top cover Remove the screws fixing top panel and then remove the top panel valve cover top cover Caution discharge the refrigerant completely before removal Cover of Pass Wire ...

Страница 112: ...y and left side plate Rescrew the ground screws remove the ground wires loosen the screws fixing terminal board remove the terminal board rescrew the screws fixing the right side plate and remove the right side plate assy Rescrew the screws fixing the left side plate and remove the left side plate assy 6 Remove axial flow fan Remove the nut on the fan and then remove the axial flow fan Front panel...

Страница 113: ...clapboard are removed and the electrical box assy are removed 8 Remove motor and motor support Remove the screws fixing the motor and then remove the motor Remove the screws fixing the motor support and lift the motor support to remove it 9 Remove clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy Motor support Motor Clapboard assy Electric box assy ...

Страница 114: ...o the valve caused by high temperature Remove the screws fixing valve support then remove the valve support 11 Remove 4 way valve assy Unsolder the welding joints connecting the 4 way valve assy remove the 4 way valve Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth completely to avoid damage to the valve caused by high temperature 12 Remove Capillary Sub assy Unsold...

Страница 115: ...112 Installation and Maintenance Service Manual Step Procedure 13 Remove compressor Remove the 3 foot nuts on the compressor and then remove the compressor Compressor ...

Страница 116: ...eet of Celsius and Fahrenheit Appendix 2 Configuration of Connection Pipe Set temperature Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 8...

Страница 117: ...lowing steps B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe A is different according to the diameter please refer to the sheet below Outer diameter mm A mm Max Min Ф6 6 35 1 4 1 3 0 7 Ф9 52 3 8 1 6 1 0 Ф12 12 70 1 2 1 8 1 0 Ф16 15 88 5 8 2 4 2 2 Appendix 3 Pipe Expanding Method Note Note D Put on the union nut Remo...

Страница 118: ...ture Sensors for Indoor and Outdoor 20K Resistance Table of Discharge Temperature Sensor for Outdoor 50K Temp o C Resistance kΩ Temp o C Resistance kΩ Temp o C Resistance kΩ Temp o C Resistance kΩ 19 181 40 20 25 01 60 4 95 100 1 35 15 145 00 25 20 00 65 4 14 105 1 16 10 110 30 30 16 10 70 3 48 110 1 01 5 84 61 35 13 04 75 2 94 115 0 88 0 65 37 40 10 62 80 2 50 120 0 77 5 50 87 45 8 71 85 2 13 125...

Страница 119: ...an Zhuhai Guangdong China 519070 Tel 86 756 8522219 Fax 86 756 8669426 E mail global cn gree com www gree com For product improvement specifications and appearance in this manual are subject to change without prior notice JF00305164 GREE_4LIV09 24_SERVICE_01092023 ...

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